<template>
  <div class="wrap">
    <div id="convas-container"></div>
    <div class="container">
      <Card :bordered="false" class="cardstyle" v-if="islogin">
        <p slot="title" style="text-align: center; color: #c9c7c7; font-size: 21px">
          杂七杂八后台
        </p>

        <div style="display: flex; justify-content: cneter">
          <Input v-model="model.username" placeholder="账号" style="width: 300px; margin: 0 auto" />
        </div>
        <div style="display: flex; justify-content: cneter">
          <Input v-model="model.password" placeholder="密码" style="width: 300px; margin: 0 auto" type="password" @on-enter="handleLogin"/>
        </div>
        <div style="text-align: center;">自动登录</div>
        <div>
          <Row>
            <Col span="16">
            <div style="
                  color: white;
                  margin-left: 40px;
                  float: left;
                  line-height: 30px;
                ">
              其他登录方式：
            </div>
            <img src="../../assets/login/qq.svg" class="otherLoginImg" />
            <img src="../../assets/login/weixin.svg" class="otherLoginImg" />
            <img src="../../assets/login/weibo.svg" class="otherLoginImg" />
            </Col>
            <Col span="8">
            <a href="#" @click="handleToNews"> 注册新账号 </a>
            </Col>
          </Row>
        </div>
        <div style="display: flex; justify-content: cneter">
          <Button type="primary" style="width: 320px; margin: 10px auto"
            @click="handleLogin" >登&nbsp;&nbsp;&nbsp;录</Button>
        </div>
        <p class="change_link" style="text-align: center">
          <span class="text">忘记密码了 ?</span>
          <a href="#" class="to_login"> 点击此处 </a>
        </p>
      </Card>
      <Card :bordered="false" class="cardstyle" v-else>
        <p slot="title" style="text-align: center; color: #111; font-size: 21px">
          后台管理系统
        </p>

        <div style="display: flex; justify-content: cneter">
          <Input v-model="username" placeholder="账号" style="width: 300px; margin: 0 auto" />
        </div>
        <div style="display: flex; justify-content: cneter">
          <Input v-model="password" placeholder="密码" style="width: 300px; margin: 0 auto" type="password" />
        </div>
        <div style="display: flex; justify-content: cneter">
          <Input v-model="passwordAgain" placeholder="确认密码" style="width: 300px; margin: 0 auto" type="password" />
        </div>
        <moving></moving>
        <div style="display: flex; justify-content: cneter">
          <Button type="primary" style="width: 320px; margin: 5px auto" @click="handleToRegister"
            :disabled="!confirmSuccess">注&nbsp;&nbsp;&nbsp;册</Button>
        </div>
        <p class="change_link" style="text-align: center">
          <a href="#" class="to_login" @click="handleToUse">
            使用已有账户登录
          </a>
        </p>
      </Card>
    </div>
  </div>
</template>

<script>
import { mapActions, mapState, mapMutations } from "vuex";
import moving from "./component/moving";
import * as THREE from "three";
import { OrbitControls } from "three/examples/jsm/controls/OrbitControls"
// 导入 gltf 加载器
import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader';
import gsap from "gsap"

export default {
  data() {
    return {
      islogin: true,
      model: {},
      username: "",
      password: "",
      passwordAgain: "",
    };
  },
  computed: {
    confirmSuccess() {
      return this.$store.state.login.confirmSuccess;
    },
    dataCount() {
      return this.$store.state.login.user;
    },
  },
  components: { moving },
  methods: {
    ...mapActions([
      "postLogin",
      "postRegister",
    ]),
    ...mapMutations(["setLogin"]),
    // 有材质的球体
    fnNewRedios(textureImg, radius) {
      const geometry = new THREE.SphereGeometry(radius, 32, 12);
      let textureLoader = new THREE.TextureLoader();
      let texture = textureLoader.load(textureImg);
      texture.colorSpace = THREE.LinearSRGBColorSpace; //转换为线性srgb色 色差有问题使用这个
      const material = new THREE.MeshBasicMaterial({ map: texture, });
      return new THREE.Mesh(geometry, material);

    },
    fn3dX7() {
      let width = window.innerWidth; //窗口宽度
      let height = window.innerHeight; //窗口高度RGBELoader
      let k = width / height; //窗口宽高比
      let s = 400; //三维场景显示范围控制系数，系数越大，显示的范围越大
      let DOM = document.getElementById("convas-container");

      // 创建画布
      const scene = new THREE.Scene();
      const renderer = new THREE.WebGLRenderer(
        {
          antialias: true, // 设置抗锯齿
        }
      );
      renderer.setSize(width, height);
      renderer.setClearColor("#000");
      // 创建背景
      let url = "../../assets/a.png";
      let nevTexture = new THREE.TextureLoader().load(url);
      // nevTexture.mapping = THREE.EquirectangularReflectionMapping;//（全景图反射贴图）是一种材质映射方式，用于将全景图作为反射贴图应用到一个物体上
      scene.background = nevTexture;
      scene.environment = nevTexture;
      // 添加建模
      const gltfLoad = new GLTFLoader();
      let cubeGlb = null;
      gltfLoad.load(
        "./model/x7.glb",
        // 加载建模完的回调函数
        (gltf) => {
          cubeGlb = gltf.scene;
          cubeGlb.position.set(-30, 0, 0);
          gltf.scene.traverse((child) => {
            if (child.isMesh) {
              // 修改材质属性
              // 其他修改材质的操作...
              if (child.name === "plane") {
                child.visible = false;
              }
              // 允许接受投射阴影
              if (child.isMesh) {
                child.castShadow = true;
                child.receiveShadow = true;
              }
            }
          });
          scene.add(cubeGlb)
        }
      )
      // 添加灯光
      let light = new THREE.DirectionalLight(0xffffff, 1);
      light.position.set(-40, 20, -10);
      scene.add(light);
      let light1 = new THREE.DirectionalLight(0xffffff, 0.6);
      light1.position.set(-30, 20, 10);
      scene.add(light1);
      let light2 = new THREE.DirectionalLight(0xffffff, 1);
      light2.position.set(0, 10, -10);
      scene.add(light2)
      light.castShadow = true; // 投射阴影
      light1.castShadow = true; // 投射阴影
      light2.castShadow = true; // 投射阴影

      // 添加月亮小星球
      let moon = this.fnNewRedios("./img/yueliang.jpg", 1);
      //一种特殊类型的网格对象。它允许你在场景中创建大量的实例对象，而只需使用一个几何体和材质来渲染它们。
      for (let j = 0; j < 5; j++) {
        let moonInstance = new THREE.InstancedMesh(
          moon.geometry,
          moon.material,
          50
        );
        for (let i = 0; i < 1000; i++) {
          let x = Math.random() * 1000 - 500;
          let y = Math.random() * 1000 - 500;
          let z = Math.random() * 1000 - 500;

          let matrix = new THREE.Matrix4;
          matrix.makeTranslation(x, y, z);
          moonInstance.setMatrixAt(i, matrix);
        }
        gsap.to(moonInstance.position, {
          duration: Math.random() * 10 + 4,
          z: -1001,
          ease: "linear",
          repeat: -1,
        })
        scene.add(moonInstance);
      }


      // 相机位置
      const camera = new THREE.PerspectiveCamera(45, k, 0.1, 1000);
      camera.position.set(0, 0, 80); //设置相机位置
      camera.lookAt(scene.position); //设置相机方向(指向的场景对象)
      window.addEventListener('mousemove', (e) => {
        let x = (e.clientX / window.innerWidth) * 0.4;
        let y = (e.clientY / window.innerHeight) * 0.2;

        let timeline = gsap.timeline();
        timeline.to(cubeGlb.rotation, {
          duration: 0.5,
          y: x,
          x: y,
        })
      })

      // 添加控制器
      // const controls = new OrbitControls(camera, DOM);
      // Dom添加
      DOM.appendChild(renderer.domElement);
      // 渲染场景
      (function fnAnimate(time) {
        // controls.update();
        renderer.render(scene, camera)
        requestAnimationFrame(fnAnimate);
      })()
    },
    // 登录
    async handleLogin() {
      this.postLogin(
        this.model,
      ).then((res) => {
        console.log(res)
        if (res.code === 3003) {
          this.$Message.error({
            content: "账号错误",
            type: "error",
          });
        } else if (res.code === 3004) {
          this.$Message.error({
            content: "密码错误",
            type: "error",
          });
        } else {
          sessionStorage.token = "success";
          this.$Message.success({
            content: "登陆成功",
            type: "success",
          });
          console.log("___res.data__", res.data)
          this.setLogin({
            user: res.data
          })
          this.$router.push({ name: "dataMaintain" });
        }
      });
    },
    handleToRegister() {
      this.postRegister({
        username: this.username,
        password: this.password
      }).then((res) => {
        if (res.data.code === 200) {
          // sessionStorage.token = res.data.token;
          this.$Message.success({
            content: "登陆成功",
            type: "success",
          });
          this.$router.push({ name: "termSetting" });
        } else {
          this.$Message({
            content: "登陆失败",
            type: "error",
          })
        }
      })
    },
    handleToNews() {
      this.islogin = false;
      this.password = "";
      this.user = "";
    },
    handleToUse() {
      this.islogin = true;
    },
    handletoNewUser() { },

  },
  mounted() {
    this.fn3dX7()
  },
};
</script>

<style lang="less">
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.wrap {
  width: 100%;
  height: 100%;
  // padding: 10% 0;
  position: fixed;

  background: url("../../assets/a.png") no-repeat;
  background-size: 100% 100%;
  background: -webkit-linear-gradient(to bottom right, #50a3a2, #53e3a6);
}

.opacityPage {
  background: #041656;
  opacity: 0.5;
  border-radius: 40px 4px 4px 4px;
  width: 40%;
  height: 400px;
  margin: 0 auto;
}

.cardstyle {
  width: 500px;
  margin: 0 auto;
  background: linear-gradient(to right, rgba(79, 120, 195, 0.25), rgba(209, 226, 240, 0.4));
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(4.5px);
  -webkit-backdrop-filter: blur(4.5px);
  border-radius: 10px;

  .otherLoginImg {
    width: 30px;
    height: 30px;
    padding: 0 5px;
  }
}

.container {
  z-index: 10;
  position: absolute;
  top: 50%;
  left: 65%;
  transform: translate(0, -50%);
}

.container h1 {
  text-align: center;
  color: #ffffff;
  font-weight: 500;
}

.container input {
  border: 0;
  outline: 0;
  line-height: 24px;
  margin: 32px auto;
}

.to_login {
  color: #a7c4c9;
}

.text {
  color: #e2dfe4;
}

.wrap ul {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -20;
}

.wrap ul li {
  list-style-type: none;
  display: block;
  position: absolute;
  bottom: -120px;
  width: 15px;
  height: 15px;
  z-index: -8;
  border-radius: 50%;
  box-shadow: inset -30px -30px 75px rgba(0, 0, 0, 0.2),
    inset 0px 0px 5px rgba(0, 0, 0, 0.5), inset -3px -3px 5px #089cef,
    0 0 20px rgba(255, 255, 255, 0.75);
  background-image: radial-gradient(#d6e6ff, #77b5fe);
  animotion: square 25s infinite;
  -webkit-animation: square 25s infinite;
}

.wrap ul li:nth-child(1) {
  left: 0;
  animation-duration: 10s;
  -moz-animation-duration: 10s;
  -o-animation-duration: 10s;
  -webkit-animation-duration: 10s;
}

.wrap ul li:nth-child(2) {
  width: 40px;
  height: 40px;
  left: 10%;
  animation-duration: 15s;
  -moz-animation-duration: 15s;
  -o-animation-duration: 15s;
  -webkit-animation-duration: 11s;
}

.wrap ul li:nth-child(3) {
  left: 20%;
  width: 25px;
  height: 25px;
  animation-duration: 12s;
  -moz-animation-duration: 12s;
  -o-animation-duration: 12s;
  -webkit-animation-duration: 12s;
}

.wrap ul li:nth-child(4) {
  width: 50px;
  height: 50px;
  left: 30%;
  -webkit-animation-delay: 3s;
  -moz-animation-delay: 3s;
  -o-animation-delay: 3s;
  animation-delay: 3s;
  animation-duration: 12s;
  -moz-animation-duration: 12s;
  -o-animation-duration: 12s;
  -webkit-animation-duration: 12s;
}

.wrap ul li:nth-child(5) {
  width: 60px;
  height: 60px;
  left: 40%;
  animation-duration: 10s;
  -moz-animation-duration: 10s;
  -o-animation-duration: 10s;
  -webkit-animation-duration: 10s;
}

.wrap ul li:nth-child(6) {
  width: 75px;
  height: 75px;
  left: 50%;
  -webkit-animation-delay: 7s;
  -moz-animation-delay: 7s;
  -o-animation-delay: 7s;
  animation-delay: 7s;
}

.wrap ul li:nth-child(7) {
  left: 60%;
  width: 30px;
  height: 30px;
  animation-duration: 8s;
  -moz-animation-duration: 8s;
  -o-animation-duration: 8s;
  -webkit-animation-duration: 8s;
}

.wrap ul li:nth-child(8) {
  width: 90px;
  height: 90px;
  left: 70%;
  -webkit-animation-delay: 4s;
  -moz-animation-delay: 4s;
  -o-animation-delay: 4s;
  animation-delay: 4s;
}

.wrap ul li:nth-child(9) {
  width: 50px;
  height: 50px;
  left: 80%;
  animation-duration: 20s;
  -moz-animation-duration: 20s;
  -o-animation-duration: 20s;
  -webkit-animation-duration: 20s;
}

.wrap ul li:nth-child(10) {
  width: 75px;
  height: 75px;
  left: 90%;
  -webkit-animation-delay: 6s;
  -moz-animation-delay: 6s;
  -o-animation-delay: 6s;
  animation-delay: 6s;
  animation-duration: 30s;
  -moz-animation-duration: 30s;
  -o-animation-duration: 30s;
  -webkit-animation-duration: 30s;
}

@keyframes square {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }

  100% {
    bottom: 400px;
    -webkit-transform: translateY(-500);
    transform: translateY(-500);
  }
}

@-webkit-keyframes square {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }

  100% {
    bottom: 400px;
    -webkit-transform: translateY(-500);
    transform: translateY(-500);
  }
}
</style>